Wire-drawing block.



E. H. CARROLL.

WIRE DRAWING BLOCK. APPLICATION FILED FEB. 28, 1913.

1,173,?07. Patented Feb. 29, 1916.

. i W i 1 i 5 7 MM 6 50 22 z 11 :52: 12 13; A F; V 1 1 J 9 2 I eInveniov Mfne 1Z7 lfiez'ffl (Carrol Z.

y jfm-ney I a citizen of the lowing is a specificatlon accompanied by aview of a wire drawing block and supportwire drawing block which theELBERT H. CARROLL, OF WORCESTER, MASSACHUSETTS, ASSIGNOR TO MORGANCONSTRUCTION COMPANY, 01?;WORCE OF MASSACHUSETTS.

aaaoa.

To all whom it may concern ,1

Be it known that I, ELBERT H. CARROLL, United States, residing atWorcester, in the county of Worcester and Commonwealth of Massachusetts,have invented a new and useful Improvement in 'VVireDrawing Blocks, ofwhich the foldrawing, forming a part of the same.

The object of my present invention is to provide a support in the rigidframework by which the operative parts of the wire drawing block may besupported against gravity, thereby relieving the vertical drivingspindle from the weight of the block.- This object I accomplish by meansof the construction and arrangement of parts as hereinafter vdescribed,the novel features being pointed out in the annexed claims.

Referring to the accompanying drawing which shows a central, vertical,sectional ing table or framework therefor, the vertical driving shaftbeing shown infull, 1, 1, denotes the table or framework, provided witha journal bearing-2 in which is journaled an upright shaft 3, carryingat its lower end a bevel gear 4 which. is engaged by a similar bevelgear on a driving shaft, not shown, in the usual manner in machines ofthis class. a V

Mounted upon the vertical shaft 3 is a comprising a cylindrical shell 5about which the wire is wound and drawn through a reducing die. Be

-tween the vertical shaft 3 and the c'ylindrical shell 5 I interpose aclutching mechanism, which in the present instance consists of acylindrical drum 6 surrounded by a spiral spring 7 The drum 6 is carriedupon the squared section 8 of the driving shaft 3, by which the rotativemovement of the shaft 3 is imparted to the drum 6, at the same timepermitting a slight longitudinal movement of the shaft 3 within thedrum. The'lower end of the drum rests upon an antifriction ring 9 whichlies in the bottom of a cup shaped oil receptacle 10 to lower end of thespiral spring 7 is attached.

When the spiral spring 7 is wound tightly about the periphery of thedrum 6 by means. of an operative mechanism, not shown, but in common usein wire drawing blocks of this class, the spring and its attached cupSpecificationof Letters Patent. Application filed February 28, 1913.Serial No. 751,246.

supported upon and receptacle which shall STER, MASSACHUSETTS, ACORPORATION WIRE-DRA ING BLOCK.

Patented Feb. 29, 1916.

shaped oil receptacle 10 are caused to rotate with the drum 6. The drum6 becomes the drlvlng member of a clutching mechanism, and the spiralspring and its attached oil. receptacle 10 the driven member of aclutching mechanism which is capable ofv being thrown' into and out ofengagement at. will .by the operator. The cylindrical shell 5 upon whichthe wire is wound in the process of wire drawing, is provided at itslower end with an internal flange 11 carried by the cup. shaped oilreceptacle 10. The cup shaped oil receptacle 10 therefore supports theweight of both the drum 6 and cylindrical shell 5. As the coil of wireaccumulates upon the cylindrical shell 5 the load supported by the oilreceptacle 10 is materially increased. 4 a

' In order to provide a suitable support for the superimposed load uponthe oil relieve the shaft 3 of downward pressure, I provide an annularoil receptacle with an interior flange 12 which rests upon a flange 13formed upo'n Y 12. to rest upon the lining 14 I secure an antifrictionbearing similar to that between the lower end of the drum 6 and theantifriction ring 9. The entire weight of the operative mechanism drivenby the squared section 8 of the vertical shaft 3 isthereby supportedupon the rigid table or framework 1 relieving the shaft 3 of its weight.The lower end of the shaft 3 is supported in a step bearing, a portionof which is shown at 1.5, The bevel gear. 4 has a spline connection withthe shaft 3 with its hub inclosed within the step bearing 15 and thejournal bearing 2 in the frame 1. Between the bevel gear 4 and thejournal bearing 2 and step bearing 15 I interpose antifriction rings 16and 17 whichare surrounded by the annular oil recesses. 18 and 19.

I have not deemed it necessary to illustrate or to describe in detailthe clutching mechanism and the means for throwing it into and out ofengagement as it forms no part, of my present invention which -relatessolely to the construction. above described, by which the weight of theentire wire porting the weight of drawing block and its inclosedclutching mechanism is supported upon the central journal bearing of theshaft 3 which is integral with the table 1 or framework of the machine.

I claim,

1. The combination of a table or framework having a journal bearing fora vertical shaft, a shaft journaled in said bearing, a wire drawingblcck inclosing the upper end of said shaft, slidable longitudinally ofand connected to rotate with said shaft, and means for supportingthe'weight of said block upon said journal bearing.

2. The combination ofa vertical shaft, a wire drawing block connected tosaid shaft so as to rotate therewith and capable of a vertical movementindependently of said shaft, a fixed framework beneath said block,

and means for supporting the weight of said block in said fixedframework. I

3. The combination of a vertical shaft, a wire drawing block, aclutching mechanism between said block and said shaft having a slidablemounting on said shaft and rotatably connected thereto, and means forsup= said block and said clutching mechanism independently of saidshaft.

4. The combination of'a shaft, a drum having a rotativc connection withsaid shaft but capable of a longitudinal movement thereon, a cup shapedoil reservoir surrounding said drum, a clutching mechanism between saidoil reservoir and said drum, a wire drawing blockcarried by said. oilreservoir, and means for supporting said oil reservoir independently ofsaid. shaft.

5. The combination of a shaft, a drum slidable longitudinally of saidshaft but connected to rotate therewith, said drum being supportedindependently of said shaft, a wire drawing block driven by said drum,

and .means for supportingsaid drum and wire drawing block, whereby theshaft is relieved of the weight of said drum and block.

6. The combination of a shaft, a bearing forsaid shaft, a drum slidablelongitudinally of said shaft but connected to rotate therewith, a wiredrawing block driven by said drum, and a support for said drum andblock, said support being carried by said bearing, whereby said shaft isrelieved of the weight of said drum and'block.

Dated this 24th day of February 1913.

ELBERT H. CARROLL. Witnesses:

PENELOPE CoMBERBAoH, NELLIE WHALEN.

